Ralph chandlee



(No Model.)

R, CHANDLER.

FASTENBR FOR THE MEETING RAILS 0F SASHES. No. 275,018;

Patented AprQS, 1883.

UNITED STATES PATENT Demon.

RALPH CHANDLER, OF THE UNITED STATES NAVY.

FASTENER FOR MEETING-RAILS OF SASHES.

SPECIFICATION formingpart of Letters Patent No. 275,018, dated April 3,1883.-

Application filed October 25, 1882.

To all whom it may concern Be it known that I, RALPH CHANDLER, anofficer of the United States Navy, stationed at Boston, county ofSuflolk, and State of Massachusetts, have invented certain new anduseful Improvements in Window-Sash Fasteners, of which the following isa full, clear, and exact description, reference being had to theaccompanying drawings, and to the letters of reference marked thereon.

My improvements have relation to that class of devices employed upon themeeting-rails of window-sashes for the purpose of holding the two railstogether, (when the window is closed,) in order, to prevent rattling orjarring of the sashes, as well as to prevent either sash from beingelevated or lowered or the window frotn being opened. These devices areordinarily called window-sash fasteners, and sometimes simplysash-locks.

The object of my invention is to produce a strong and durable windowsash fastener which may be applied upon any of the ordinary forms ofsashes, which will be secure against being unlocked or loosened from theexterior of the window, and which shall be simple and inexpensive tomake, not liable to get out of order or to be damaged by ordinary usage,and capable of easy and ready manipulation upon the inner side of thewindow.

To accomplish this my improvements involve certain novel and usefularrangements or combinations of parts and peculiarities of construction, all of which will be herein first fully described, and thenpointed out in the claim. In'theaccompanying drawings,formingpart ofthisspecification, Figure 1 is a plan view of my improved device shown inunlocked posi- (No model.)

so as to sweep across or parallel with the face of said plate, the hingebeing formed by the pin or rivet a, passing through a perforation in theinner end of lever O and secured in plate- A, and in an overhanging lip,12, cast or otherwise-formed with this plate. This permits the, requiredsweeping movement of lever C in eitherdirection, makes a securefoundation for the inner end of said lever, and prevents it from beingswung back too far. The free end of lever U is socketed, substantiallyas shown, and carries the locking-bolt c, of which the finger piece orknob (2 extends above the swinging lever. The lower end of bolt c'issuitably enlarged to form a bearing for the spring e, the lattersurrounding the stem or shank of the bolt and abutting against theunderside of the top of the socket, tending always to force the end ofthe locking-bolt downwardly, or into its locking position. Upon thelower enthot bolt 0 is a pin,f, intended to engage withor bear againstthe under side of the locking-plate B when suitably located and turned.

fcorrespondingin size and form to the lower end of the bolt with itsprojecting pin. From this construction it will be observed that when thelocking-lever is brought around to the locking position the spring 6will force the bolt 0 down through the perforation g. Then by turningthe finger-piece slightly the pinf will be made to bear against theunder side of the lockingplate B, (the material of the sash beneath thelocking-plate being removed sufficiently to admit of the turning of. thebolt.) The lever will then be locked in position, and cannot bedisturbed until the locking-bolt is elevated, and this necessaryelevation cannot take place until the bolt is first suitably turned tobring the pin f into proper relation with the corresponding notch in theopening 9. To unlock this fastener from the exterior by insertion of animplement between the meetingrails of the sash is practicallyimpossible. With the pinfand the hinge a b the lockinglever is securelyheld at both ends, obviating any danger of damage to the look from theexterior of the window. The wall of the socket in the locking-leverisnotched, substantially as shown, to accommodate the pin upon thelocking-bolt, so that when the bolt is raised and Plate B is perforated,as at g, the opening the lever swung to one side the pin will always bein position to enter the opening for it in the locking-plate (under theaction of the spring) as soon as the lever is brought around to thefront, or to the locking position.

In order to lock the rails or sashes,it is only necessary to move thelocking-lever around, and the bolt will be automatically forced downthrough the perforation provided for it as soon as it-reaches thelocking position. Then by simply turning the finger-piece the pin uponthe bolt prevents the bolt from being raised. When locked the pin is outof sight, and to render it convenient and easy to turn thelocking-boltto a position in whichit can be elevated I cut an indicator-notch onsome convenient portion of the finger-piece d, as at h, and upon thelever 0 another notch, as at t', the two notches being so located thatwhen they are brought in line with each other by turning the bolt thepin will be in a position to admit of the raising of the bolt. By thissimple means the operator is enabled to quickly open the sashlock fromthe interior. Instead of the notch 11-, I might employ a projectingfeather or rib upon the finger-piece d, to be felt as well as seen, andthis would operate as an equally effective indicator. When thelocking-lever is turned, as in Figs. 1 and 2, the spring eforces thelower end of the bolt 0 down upon the top ofplate A, creatingsufficientfrictiou to prevent theleverfrom being accidentally turned soas to interfere with the free movement ot'either sash.

The plate B, usually applied upon the lower sash, is smooth upon itsupper surface, and may be let into the sash flush with the top of therail thereof, so that when the lower sash is elevated to its extremeheight and strikes the upper window-casing it will not mark or cut intothe casing. The knob or finger-piece dis preferably screwed upon theshank of the locking-bolt, so that in case the spring should break thebolt can be removed and a new spring inserted by any one.

The device constructed and arranged substantially in accordance with theforegoing explanations will be found to admirably answer the purposes orobjects of theiuvention as previously set forth. It is applicable onvertically or horizontally movable sashes, or upon hinged sashes, and ineithercase will be found desirable for the purposes intended.

Heretofore in this class of devices a sweep has been provided with apress-bolt, which does not form the double lock contemplated by myimprovement; and, also, in another form the sweep has been lockedagainst side movement, but not against an upward thrust. It will beobserved that my invention guards againstboth of these movements, andthis bya very simple arrangement of parts. The slot in the front wall ofthe sweep keeps the springbolt'and its attached pin always in suchposition that they will engage with the slot in the sash plateimmediately upon being swung around.

I do not desire to be understood as making any claiui'to above-mentionedold forms; but,

Having now fully described my invention, what I claim as new, and desireto secure by Letters Patent, is-

The herein-described sash-fastener,com posed of the locking-lever orsweep hinged upon one of the plates, and carrying the locking-bolt, withits projecting pin and operating'spring, and the smooth-facedlocking-plate, perforated to admit the end of the locking-bolt and itsprojecting pin, the wallof the socketin the sweep being notched, asshown, to accommodate the pin, and the whole combined and arranged, asexplained, to lock the sweep against lateral and upward thrusts,substantially as shown and described.

In testimony thatIclaim theforegoinglhave hereunto set my hand in thepresence of two witnesses.

' RALPH CHANDLER.

Witnesses:

FRANCIS SIMoNDs, JOHN F. FERGUSON.

